<template>
    <div>
        <!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>数据统计</el-breadcrumb-item>
			<el-breadcrumb-item>数据报表</el-breadcrumb-item>
		</el-breadcrumb>
        <!-- 卡片视图区 -->
        <el-card>
            <div id="main" style="width: 600px;height: 400px;"></div>
        </el-card>
    </div>
</template>

<script>
// import echarts from 'echarts'
var echarts = require('echarts')
var _ = require('lodash')

export default {
    data(){
        return{
            options: {
                title: {
                    text: '用户来源'
                },
                tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                        type: 'cross',
                        label: {
                            backgroundColor: '#E9EEF3'
                        }
                    }
                },
                grid: {
                    left: '3%',
                    right: '4%',
                    bottom: '3%',
                    containLabel: true
                },
                xAxis: [
                    {
                        boundaryGap: false
                    }
                ],
                yAxis: [
                    {
                        type: 'value'
                    }
                ]
            }
        }
    },
    created(){

    },
    // 此时页面上的元素已经被渲染完毕了
    async mounted(){
        // 初始化实例
        var myChart = echarts.init(document.getElementById('main'));

        const { data:res } = await this.$http.get('reports/type/1')
        if(res.meta.status !== 200){
            return this.$message.error({
                showClose: true,
                message: '获取折线图数据失败！'
            })
        }

        const result =  _.merge(res.data, this.options)

        // 指定图表的配置项和数据
        var option = {
            title: {
                text: 'ECharts 入门示例'
            },
            tooltip: {},
            legend: {
                data:['销量']
            },
            xAxis: {
                data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
            },
            yAxis: {},
            series: [{
                name: '销量',
                type: 'bar',
                data: [5, 20, 36, 10, 10, 20]
            }]
        };
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result);
    },
    methods:{

    }
}
</script>

<style lang="less" scoped>

</style>